... Piston pump Rectangular piston Friction and wear Leakage Electro-hydrostatic actuators (EHAs) (3) R c = ( b 2 tan θ c + l s + s + l r ) 2 + ( b 2 ) 2 = 1 + tan 2 ( π Z n ) 4 tan 2...

...Asif Ali Shereef; Dhanish P.B. Purpose The purpose of this paper is to monitor leakage in the static sealing interface, using three-dimensional and two-dimensional surface topography parameters as indicators. Design/methodology/approach This study involved developing a test rig for examining...

...Xiuying Wang; Yu Chen; Kai Ding; Chengtao Yu Purpose This study aims to obtain a design scheme of the surface texture on mechanical seal with lower friction and leakage by comparing two common texture types: dimples and grooves. Design/methodology/approach An optimal free-form shape...

...Hua-Lin Yang; Xiulong Li; Weiwei Sun; Fang Deng; Jie Du Purpose This paper aims to present the mixed elastohydrodynamic lubrication (EHL) model and obtain the leakage characteristics for the skeleton reciprocating oil seal. Design/methodology/approach The model consists of a finite element...

...Fei Lu; Jian Liu; Hongyan Lu Purpose The carbon/carbon (C/C) composite finger seal experiment was performed on a high-speed seal tester. The purpose of this paper is to investigate the leakage and wear characteristics of C/C composite finger seal under various operating conditions. Design...

...Sen Jiang; Hua Ji; Tianhao Wang; Donglin Feng; Qian Li Purpose The shapes of surface textures have been designed to control the leakage of mechanical seals in recent years. The purpose of this paper is to demonstrate the influence of geometric properties of elliptical dimples on the leakage rate...

...Xiuying Wang; Michael Khonsari; Siyuan Li; Qingwen Dai; Xiaolei Wang Purpose This study aims to simultaneously enhance the load-carrying capacity and control the leakage rate of mechanical seals by optimizing the texture shape. Design/methodology/approach A multi-objective optimization...

...Chuanjun Liao; Xibao Xu; Hongrong Fang; Hongrui Wang; Man Man Purpose – The purpose of this paper is to develop a leakage model of metallic static seals, which can be used to accurately predict the leakage rate and study the corresponding seal characteristics. The metallic static seal...